CN108841173A - A kind of synthetic method of material and its application in microorganism fuel cell cathode material - Google Patents
A kind of synthetic method of material and its application in microorganism fuel cell cathode material Download PDFInfo
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- CN108841173A CN108841173A CN201810489123.4A CN201810489123A CN108841173A CN 108841173 A CN108841173 A CN 108841173A CN 201810489123 A CN201810489123 A CN 201810489123A CN 108841173 A CN108841173 A CN 108841173A
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- polypyrrole
- polyaniline
- graphene
- reduced graphene
- synthetic method
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8828—Coating with slurry or ink
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/16—Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention discloses a kind of synthetic method of material and its in the application of microorganism fuel cell cathode material, its synthetic method is by graphene, and pyrroles is dissolved in deionized water, and Iron trichloride hexahydrate is added dropwise in ultrasound, it is cleaned respectively with ethyl alcohol and deionized water, is dried to obtain graphene/polypyrrole.Aniline is dissolved in hydrochloric acid solution, separately by graphene/polypyrrole, neopelex, ammonium persulfate is dissolved in hydrochloric acid solution, then aniline acid solution is added dropwise in ammonium persulfate solution, filtering reacting liquid cleans trapped substance with ethyl alcohol and deionized water respectively, dry polyaniline/graphene/polypyrrole powder.It is added on filtering reacting liquid in the ethanol solution of sodium borohydride, trapped substance is cleaned with ethyl alcohol and deionized water respectively, dry polyaniline/reduced graphene/polypyrrole powder.It is an advantage of the invention that：Using polyaniline/reduced graphene/polypyrrole, adsorbing hexavalent chromium ions, and reduction reaction is carried out in a fuel cell, handle heavy metal ion, while can produce high voltage.
Description
Technical field
The present invention relates to a kind of polyaniline/reduced graphene/polypyrrole material synthetic method and its in Microbial fuel
The application of battery cathode material.
Background technique
Microbiological fuel cell (Microbial fuel cell, MFC) is that will have using microorganism as reactive agent
The chemical energy of machine substance is converted into a kind of device of electric energy, has broad prospects in waste water resource use aspects.Cathode
Important place of the material as electrochemical reaction and electron-transport is the important component of energy storage conversion devices, right
The performance of electrochemical energy plays a crucial role.Therefore cathode material has the performance for promoting microbiological fuel cell
Very important meaning.
Cathode electronics receptor using metal ion as MFC replaces electrolysis method processing to contain metal using the electric current that MFC is generated
Conventional power source in waste water technology realizes the electroreduction of metal ion.It is to urge with polyaniline/reduced graphene/polypyrrole material
The cathode microbial fuel cell of agent can have higher power output, cheap and easy to get, can reduce cathode reaction activation voltage, because
This is with excellent electric property.
Summary of the invention
The present invention relates to a kind of synthetic method of material and its in the application of microorganism fuel cell cathode material, microorganism
Anode of fuel cell microorganism decomposition organic matter provides electronics and proton for cathode, and cathode material uses polyaniline/reduction graphite
Alkene/polypyrrole material adsorbing hexavalent chromium ions, speeds the rate for going back primary electron.Fuel cell structure is simple, and recovery efficiency is higher.
Technical scheme is as follows：A kind of polyaniline/reduced graphene/polypyrrole material synthetic method, it is special
Sign is that method and step is as follows：
（1）The synthesis of graphene/polypyrrole：By graphene, pyrroles is dissolved in deionized water, ultrasonic 1h, and six water chlorine are added dropwise
Change iron, stirring makes it sufficiently react 5h；It is cleaned respectively with ethyl alcohol and deionized water, 60 DEG C are dried to obtain graphene/polypyrrole；
（2）Polyaniline/reduced graphene/polypyrrole synthesis：Analytically pure aniline is molten by aniline after 180 DEG C of distillation purifyings
Solution is in hydrochloric acid solution, and separately by neopelex, graphene/polypyrrole, ammonium persulfate is dissolved in hydrochloric acid solution, then
Aniline acid solution is added dropwise in ammonium persulfate solution, reacts 12h at room temperature；Filtering reacting liquid after the reaction was completed will be cut
Object is stayed to be cleaned respectively with ethyl alcohol and deionized water, dry polyaniline/graphene/polypyrrole powder in 50 DEG C of drying boxes；It will
Its ethanol solution for being added on sodium borohydride, reacts 12h, after the reaction was completed filtering reacting liquid at room temperature, and trapped substance is used second respectively
The cleaning of pure and mild deionized water, finally dry polyaniline/reduced graphene/polypyrrole in 50 DEG C of vacuum ovens.
A kind of polyaniline/reduced graphene that polyaniline/reduced graphene/polypyrrole material synthetic method is produced/
Application of the polypyrrole in terms of microorganism fuel cell cathode：Polyaniline/reduced graphene/polypyrrole material of the synthesis with
Binder mixing is applied on 2*1cm carbon cloth, and is assembled into microbial fuel cell cathode chamber.Microbiological fuel cell is using double
Cell structure is separated using proton exchange membrane between two Room, and the acid potassium bichromate of configuration and anode microorganism growth-promoting media are distinguished
It is fitted into corresponding yin, yang pole room and is cultivated.
Further, the graphene concentration is respectively 3.3g/L.
Further, the pyrrole concentrations are 5.33uL/mL.
Further, the Iron trichloride hexahydrate concentration is 0.05g/mL.
Further, the concentration of hydrochloric acid of the aniline stated is 0.3g/mL.
Further, the concentration of hydrochloric acid is 1mol/L.
Further, the graphene-pyrroles, neopelex, the mass ratio of ammonium persulfate are 1：6：30.
Further, the acid potassium bichromate pH is 2.
Further, the acid potassium bichromate concentration is 1g/L.
It is an advantage of the invention that：Using polyaniline/reduced graphene/polypyrrole, adsorbing hexavalent chromium ions, and in fuel electricity
Reduction reaction is carried out in pond, handles heavy metal ion, while can produce high voltage.
Detailed description of the invention
Fig. 1 is polyaniline/reduced graphene/polypyrrole material SEM figure.
Fig. 2 is polyaniline/reduced graphene/polypyrrole material for microbiological fuel cell current-vs-time figure.
Specific embodiment
With reference to the accompanying drawing and the invention is further illustrated by the examples, but it should be noted that embodiment not
Constitute the restriction to the claimed scope of the invention.
Case study on implementation
The synthesis of graphene/polypyrrole：By 0.5g graphene, 800uL pyrroles is dissolved in 150mL deionized water, ultrasonic 1h, dropwise
The 5g Iron trichloride hexahydrate solution of 100ml is added, stirring makes it sufficiently react 5h.It is cleaned respectively with ethyl alcohol and deionized water, 60 DEG C
It is dried to obtain graphene/polypyrrole.
Polyaniline/reduced graphene/polypyrrole synthesis：Analytically pure aniline is after 180 DEG C of distillation purifyings, by 3g aniline
It is dissolved in hydrochloric acid solution, separately by graphene/polypyrrole of 90mg, 0.66g neopelex, 3g ammonium persulfate is dissolved in
In hydrochloric acid solution, then aniline acid solution is added dropwise in ammonium persulfate solution, reacts 12h at room temperature.After the reaction was completed
Filtering reacting liquid cleans trapped substance with ethyl alcohol and deionized water respectively, dry polyaniline/graphite in 50 DEG C of drying boxes
Alkene/polypyrrole powder.It is added on the 0.35mol/L ethanol solution of sodium borohydride of 50ml, reacts 12h at room temperature, reaction is completed
Filtering reacting liquid afterwards cleans trapped substance with ethyl alcohol and deionized water respectively, finally poly-ly dry in 50 DEG C of vacuum ovens
Aniline/reduced graphene/polypyrrole.Pattern is as shown in Fig. 1.
Polyaniline/reduced graphene/polypyrrole material is mixed with binder to be applied on 2*1cm carbon cloth, and is assembled into micro-
Biofuel battery cathode room.Microbiological fuel cell uses double-chamber structure, is separated, will be matched using proton exchange membrane between two Room
The acid potassium bichromate and anode microorganism growth-promoting media of the 1g/L set, which is respectively charged into corresponding yin, yang pole room, to be cultivated.It is micro-
Test results are shown in figure 2 for biological culture current versus time curve.The removal rate of Cr VI is 95.42%.
Claims (10)
1. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method, it is characterised in that include the following steps：
（1）The synthesis of graphene/polypyrrole：By graphene, pyrroles is dissolved in deionized water, ultrasonic 1h, and six water chlorine are added dropwise
Change iron, stirring makes it sufficiently react 5h；It is cleaned respectively with ethyl alcohol and deionized water, 60 DEG C are dried to obtain graphene/polypyrrole；
（2）Polyaniline/reduced graphene/polypyrrole synthesis：Analytically pure aniline is molten by aniline after 180 DEG C of distillation purifyings
Solution is in hydrochloric acid solution, and separately by neopelex, graphene/polypyrrole, ammonium persulfate is dissolved in hydrochloric acid solution, then
Aniline acid solution is added dropwise in ammonium persulfate solution, reacts 12h at room temperature；Filtering reacting liquid after the reaction was completed will be cut
Object is stayed to be cleaned respectively with ethyl alcohol and deionized water, dry polyaniline/graphene/polypyrrole powder in 50 DEG C of drying boxes；It will
Its ethanol solution for being added on sodium borohydride, reacts 12h, after the reaction was completed filtering reacting liquid at room temperature, and trapped substance is used second respectively
The cleaning of pure and mild deionized water, finally dry polyaniline/reduced graphene/polypyrrole in 50 DEG C of vacuum ovens.
2. a kind of polyaniline according to claim 1/reduced graphene/polypyrrole material synthetic method is produced poly-
Aniline/application of the reduced graphene/polypyrrole in terms of microorganism fuel cell cathode, it is characterised in that include the following steps：
（1）Polyaniline/reduced graphene/polypyrrole material of the synthesis is mixed with binder and is applied on 2*1cm carbon cloth,
And it is assembled into microbial fuel cell cathode chamber；
（2）Microbiological fuel cell uses double-chamber structure, is separated between two Room using proton exchange membrane, by the acidity weight chromium of configuration
Sour potassium and anode microorganism growth-promoting media, which are respectively charged into corresponding yin, yang pole room, to be cultivated.
3. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 1, feature exist
In：Its（1）Graphene concentration described in step is respectively 3.3g/L.
4. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 1, feature exist
In：Its（1）Pyrrole concentrations described in step are 5.33uL/mL.
5. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 1, feature exist
In：Its（1）Iron trichloride hexahydrate concentration described in step is 0.05g/mL.
6. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 1, feature exist
In：Its（2）The concentration of hydrochloric acid of aniline described in step is 0.3g/mL.
7. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 1, feature exist
In：Its（2）Concentration of hydrochloric acid described in step is 1mol/L.
8. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 2, feature exist
In：Its（1）Graphene/polypyrrole described in step, neopelex, the mass ratio of ammonium persulfate are 1：6：30.
9. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 2 is produced poly-
Aniline/application of the reduced graphene/polypyrrole material in terms of microorganism fuel cell cathode, it is characterised in that：The acid
Property potassium bichromate pH be 2.
10. a kind of polyaniline/reduced graphene/polypyrrole material synthetic method according to claim 2 is produced
Polyaniline/application of the reduced graphene/polypyrrole material in terms of microorganism fuel cell cathode, it is characterised in that：Described
Acid potassium bichromate concentration is 1g/L.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951253A (en) * | 2019-12-16 | 2020-04-03 | 四川大学 | High-performance polypyrrole-based ternary composite thermoelectric material and preparation method thereof |
Citations (2)
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| CN103181001A (en) * | 2010-12-30 | 2013-06-26 | 海洋王照明科技股份有限公司 | Conductive polymer materials and preparing method and uses thereof |
| CN104629360A (en) * | 2013-11-07 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Conductive polymer-graphene nanocomposite material, and preparation method and use thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103181001A (en) * | 2010-12-30 | 2013-06-26 | 海洋王照明科技股份有限公司 | Conductive polymer materials and preparing method and uses thereof |
| CN104629360A (en) * | 2013-11-07 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Conductive polymer-graphene nanocomposite material, and preparation method and use thereof |
Non-Patent Citations (3)
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| BANGLEI LIANG ET AL.: ""Poly(aniline-co-pyrrole) on the surface of reduced graphene oxide as high-performance electrode materials for supercapacitors"", 《ELECTROCHIMICA ACTA》 * |
| YIHAN WANG ET AL.，: ""Polypyrrole/Graphene/Polyaniline Ternary Nanocomposite with High Thermoelectric Power Factor"", 《ACS APPLIED MATERIALS & INTERFACES》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110951253A (en) * | 2019-12-16 | 2020-04-03 | 四川大学 | High-performance polypyrrole-based ternary composite thermoelectric material and preparation method thereof |
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Application publication date: 20181120 |